pcDuino3A: A20 Single Board Computer supports Arduino Programming CPU:AllWinner A20 SoC, 1GHz ARM Cortex A7 Dual Core GPU:OpenGL ES2.0, OpenVG 1.1, Mali 400 Dual Core Onboard Storage:4GB Flash, microSD card (TF) slot for up to 32GB DRAM:1GB Network interface:USB WiFi Ethernet 10/100Mbps